Drinking tube and method of manufacturing same



April 1935- I K. E. GARLYIIHNG 1,996,066

DRINKING TUBE AND METHOD OF MANUFACTURING SAME Filed Dec. 5, 1930 v vwzwtoz Karl E. Gar/m9 Patented Apr. 2, 1935 1,996,066

UNITED STATES PATENT, OFFICE DRINKING TUBE AND METHOD OF I MANUFACTURING SAME Karl E. Gatling, Newark, N. J., assignor to Soda Straw Manufacturing Corporation, Newark, N. J., a corporation of New Jersey Application December 5, 1930, Serial No. 500,151 3 Claims. (01. 93-94) Among the principal objects which the present posed edges of the strip [2 when spirally wound invention has in view are: To temporarily unite align with the area ll of the strip 9. I the paper members forming such tubes prepara- The adhesive onthe areas Ill is suflicient to tory to treating them with parafline or similar hold the strips 9 and I2 in shape as formed on material; to manufacture tubes from paper strips and delivered by the machines employed in their 5 disposed in laminated relation, the layers being manufacture. Subsequently, the tubes so formed temporarily partially united by means of a suitare submitted to a bathof liquid parafline mainable adhesive; to unite adhesively the layers of tained at a suitable temperature. The parafline paper above referred to by means of adhesive is employed to resist the actionpf liquids. It

. 10 disposed in limited areas between the strips; to has been found that paraiflne thus employed will manufacture tubes from strips of paper superpermeate and become a part of the structure of posed in laminations by impregnating same with the strips 9 and i2 and will thoroughly and efparafline or other water resisting material, after ficiently unite the same, particularly where the first temporarily uniting the same by means of an adhesive areas It) do not exist. The tendency to 16 adhesive disposed in limited areas. a separate at these areas is counteracted by the Drawing efiicient junction of the strips registering with the central area Ii.

Figure 1 is a side view of a tube of the charac- It may here be stated that liquid paraflin will ter mentioned, its paper elements being partially permeate or pass through paper, but will not 20 segregated to show the condition of said elements pass through an adhesive. By the present inven- 20 prior to being rolled as a straw. tion, the paraifin accordingly obtains an adhesion,

Figure 2 is a side view of a completed tube. p r ble to water, along the central contin- Description uous area II, and the juxtaposed edges of the strip l2, and this adhesion is therefore unaffected The present invention has especially in view by long presence of the finished article in water 25 the manufacture of drinking tubes or sippers from or the like in use. Most adhesives suitable for paper for use in soda water dispensing establishuse along the continuous edge areas III will disments or establishments of a similar character. solve in water after a few'minutes, but since the A difliculty has heretofore existed in maintain- St w s, according o y invention, Sealed by ing the laminations of paper together, when soanother spiral adhesion, namely the P -fi employed during th first me ts of service in at the central continuous area I l, the same retains liquid. The method which has heretofore existed its form and efiiciency st i defin tely. It is h consisted in first rolling n a ma drel, in however, essential that this central area be conspiral shape, two or more layers of relatively nartinuous.

row strips of paper superimposed, one upon the y the method of Constructing e tubes as 35 other. The laminations thus arranged have been above set forth, an improved article is produced heretofore secured by suitable adhesive, such as in w h he Objections above noted are obviated. glue. It has been found that the laminations lcla mt thus secured, separate in part or wholly. l. A tube as characterizedconstructed of lami- It has been found, also, that a certain proporhated paper Str ps disposed as inner and outer tion of the tubes which have avoided, or failed to ip the outer strip ppin h es of separate as above set forth ,will, when inserted in the inner strip. means o uniting sa d strips, said liquid, open, or separate, within a few minutes. means embodying an s e disposed on said Both of the above objections are disastrous to Outer Strip adjacent and u interruptedly along business devoted to the manufacture and sale of h edges thereof and arranged o Provide a con- 45 these tubes and to avoid these objections is the f uncoa'ted area t h longltudlnal Center principal purpose of the present invention of said outer strip and in line with the abutted To accomplish the above stated object, I pro- 3255 32 32 ifis g fgg f ig S Sh igg vide the upper and outer strip 9 with narrow conan uncoa 5o t'nuous areas ill of a suitable dhe so ar central area of sald Outer Stnp Sald means 1 d t 1 t 1 swe bodying a coating of material impervious to water, i as 0 ,eave 3 Gen m Con mucus area I said material entering between the abutted edges without adhesive. In the manufacture of these of th inner strip and under said uncoated area e h 0111381 Strip 9 is Superimposed p the of said outer strip to adhere-the same.

strip l2, preferably arranged so that the juXta- 2. A tube as characterized constructed of iami nated paper strips disposed as inner and outer strips, the outer strip overlapping the edges of the inner strip means for uniting saidstrips,saidr neans embodying adhesive disposed onsaid outer strip-in restricted areas adjacent and uninterruptedly along the edges thereoii'to provide a continuous uncoatedvarea at the center of saidouterstrip in line with the abutted edges of saidirmer strip, and means for uniting said abutted edges 0! the inner strip and the uncoated central area oi said outer strip, said means embodying moltenparaf- I fine introduced between the edges of said inner strip and under the uncoated area 0! saido'uter' strip. 3. A method of forming a tube as characterized constructed of paper strips disposed in laminated position, said method consisting in preparing a wound one upon the other, said preparation embodying adding to the outer strip a suitable adhesive pervious to water in restricted areasadjacent and uninterruptedly along the edges of said strip by preventing said adhesive covering a continuous longitudinal central area of said strip,

then disposing said strips while winding same so that'said uncoated central area is disposed "above the abutted edges of the inner strip, thenim- I mersing the tube so formed in heated paramne to coat the inside of said inner strip and the space between the edges of said inner strip and "theuncoa'ted central area of said outer strip, whereby water is prevented from entering between said edges 01 said inner strip and said outer strip. v

KARL GARLING.

, plurality'oi narrow strips or paper to be spirally 

